Heat the oil in a wide pan and add the onion, garlic and a pinch of salt to stop them burning and the herbs. Cook fairly briskly for 5–10 minutes or until they are quite soft.
Add the tomatoes, bring to the boil, turn down the heat and simmer, uncovered for around 45 minutes or until the the mixtures is reduced to a thick, lumpy sauce.
Season to taste with more salt and black pepper.
Cover your pizza base with the tomato sauce then grate over as much cheese as you feel you need.
Cook in a hot oven for 10 minutes.

Enough or 2 large pizzas each serving 1 teenager, 2 children or 4 adults!